Form 3310.11A at a glance
What it is: Federal Firearms Licensee Inventory/Firearms in Transit Theft/Loss Report Continuation Sheet, from the U.S. Department of Justice Bureau of Alcohol, Tobacco, Firearms and Explosives.
Who signs: Sign as Licensee and enter the Date.
A filled-in Form 3310.11A example: three stolen pistols on the continuation sheet
How to fill out Form 3310.11A, box by box
Description of Firearms
Section B - Description of Firearms (use ATF Form 3310.11A, Theft/Loss Report Continuation Sheet if necessary).
Enter the Manufacturer, Importer, Model, Serial Number, Type, Caliber/ Gauge and Acquisition Date.
Certify the report is true and correct
By signing you certify that the information contained in this report is true and correct, and you understand that failure to report the theft or loss of a firearm from your inventory or collection within 48 hours of the discovery of the theft/loss is a violation of 18 U.S.C. § 923 (g)(6) punishable as a felony.
Sources
[1] Form 3310.11A (Revised October 2020), Federal Firearms Licensee Inventory/Firearms in Transit Theft/Loss Report Continuation Sheet, U.S. Department of Justice Bureau of Alcohol, Tobacco, Firearms and Explosives (the Official source link on this page).